Systems Integration/Test Engineer Senior - E3

Standard Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. We are looking for a highly motivated Integration & Test Engineer to support the Next‑Gen OPIR GEO (NGG) program, based primarily in Longmont, Colorado. In this role you will integrate and verify key capabilities needed for the launch of two space vehicles while working closely with multiple Scrum teams—including software, hardware, systems engineering, and test—to ensure clear communication and effective collaboration. You will follow a 9×80 schedule (nine‑hour days, every other Friday off) and may be called upon for occasional on‑call support during off hours or weekend shifts to support operational equipment, participating in both developmental work that meets major program milestones and depot Level 2 activities that handle operations, test support, and the maintenance and checkout of our operational systems. Roles and responsibilities include:

• Planning, implementing, testing, documenting, and maintaining solutions for the integration and testing of in‑house developed and COTS/GOTS components, elements, subsystems, and systems.
• Translate customer contractual needs into test solutions that respect technical, schedule, and cost constraints, establish functional and technical specifications, resolve hardware‑software interface issues, and define input/output parameters to ensure full system integration.
• Develop and execute comprehensive test plans, procedures, and schedules; coordinate subsystem and system testing activities with program teams and other organizations.
• Ability to integrate across a complex System of Systems (SoS) to find work arounds, defects, and integrate subsystem components to achieve major system functions

The information below includes the standard job description for this position: Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Responsible for coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.

Basic Qualifications

• 3+ years' experience in Integration and Test and/or performing system or subsystem level verification
• Experience with the Space domain (satellite ground systems and orbital platforms)
• Exposure to Linux, Virtualized Environments (Virtual Machines, Containers, etc.), and Hardware / Software Interfaces
• Familiarity with Systems Engineering Practices (i.e., Requirements, Requirements Decomposition) and Systems Engineering Tools (i.e., DOORS & Cameo)
• Active and current Secret clearance to start. Thus US Citizenship is required

Desired Skills

• B.S. in Electrical Engineering, Computer Science, Computer Engineering, Physics, or equivalent. Proven ability to resolve and drive complex technical issues and challenges to closure
• Familiar with creation of Requirement Verification Plans (RVPs), Requirements Traceability Verification Matrices (RTVM), and other integration strategies and approaches
• Experience with Agile methodology, strong technical writing, and the ability to build relationships and work collaboratively
• Prior experience on one of the following programs: OPIR, NGG, or SBIRS
• Familiarity with Integration & Verification Agile tools such as Confluence, Jira, and Zephyr
• Experience or familiarity with software test practices and tools
• Proficient in AI prompting as it applies to this position and practice

Pay Information Full-Time Salary Range: $95900.00 - $178100.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.